Home / 87,935.94-131,906.38-54,751.86

Finding the Fourth Proportional to 87,935.94, 131,906.38 and 54,751.86

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Solution

The fourth proportional to 87,935.94, 131,906.38 and 54,751.86 is: 82,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,935.94 : 131,906.38 = 54,751.86 : x
  2. Step 2: Convert to fraction form
    87,935.94/131,906.38 = 54,751.86/x
  3. Step 3: Cross multiply
    87,935.94x = 131,906.38 × 54,751.86
  4. Step 4: Simplify right side
    87,935.94x = 7,222,119,843.75
  5. Step 5: Solve for x
    x = 7,222,119,843.75/87,935.94
  6. Step 6: Final answer
    x = 82,129.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.